Automatic telecommunication exchanges



Feb. 3, 1959 F, BRAY ErAL 2,872,527

AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 1 M 3 2% mm.

MARK

FIRST L/Nk REGISTER 7 CONNECTOR CALL D 6 D #MARAER u CALL 0/577? 8 Inventors E H. BRAY" R. G, KNIGH Attorney Feb. 3, 1959 4 F. H. BRAY ET AL 2,872,527

AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 3 F/NAL LINK THIRD L /N/( FIGS.

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AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 4 FREE OUTLETS FROM I )QFRAME AG/ A 'HMME FICA. Q8 SUB GROUP q: \1 Q k 2 6/7 Tosz Inventors E H.BRAY- Attorney Feb. 3, 1959 F. H.. BRAY ET AL 2,872,527

AUTOMATIC TELECQMMUNICATION EXCHANGES Filed Sept. 2'7, 1955 41 Sheets-Sheet 6 -45 I I a 2; #55" I. g u, Q I \I LL 2 Q O 1- g: k [I yifilg E E i D V J Inventors F. H. BRAY- R. G. KNIGHT By Attorney Feb. 3, 1959 F. H.BR AY ETAL 2,372,527

AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 195s 41 Sheets-Sheet 7 FIG].

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' Inventors E H. B RAY- R. G. KNIGHT B'y Attdrney Feb. 3, 1959 AUTOMATIC TELECOMMUNICATIQN EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet i0 FIGJO.

Z nX 636-? T l 1 JSP l 1 JPL i PL/ -69 22 LAST REG. 2 PEG. 956, Inventors PARTOF REGISTER coxv/vecroxv R. G. KN IGHT Attorney AUTOMATIC 'IELECOMMUNICAT II ION EXCHANGES Filed Sept. 27,.1955

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AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 13 r0 cnou OFZI'FRA ME roz /hgf MLEI- PARTOFA' FRAME Inventors E H. BRAY' R. G. KNIGHT A ttorn e y Feb. 3, 1959 F. H. BRAY ET AL 7 I AUTOMATIC TELECOMMUN.TCA'I'ION EXCHANGES Filed Sept. 27, 1955 41' Sheets-Sheet 14 HXZ TO ROUTE SELECTOR Inventors E H.BRAY- R.G. KNIGHT Attorney Feb. 3, 1959 F. H. BRAY ETAL 2,372,527

AUTOMATIC TELECOMMUNICATICN EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 15 FIGJSQ m ro/i ouner.

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r0 GROUP OF B'FPAME 4 TO Z QNLE T PART OF B FRAME Inventors F. H. BRAY- I R. G. KNIGHT A Horney Feb. 3, 1 959 F. H. BRAY ETAL 3 9 AUTOMATIC TELECOMMUNICATION EXCHANGES Filed Sept. 27, 1955 41 Sheets-Sheet 17 TO ROUTE SELECTOR Inventors F: H. BRAY- R.G. KNIGHT A tforny Feb-3, 1959 F. H. BRAY ETAL 2,372,527

AUTOMATIC TELECOMMUNICATIQN EXCHANGES Filed Sept. 27, 1955 I 41 Sheets-Sheet 20 Inventors F. H- BRAY'. R. G. KNIGHT Attornqy 

